Building Structure Connection for Rack
Building Structure Connection for Rack
Always secure the rack to the structure of the building. If your geographical area is
subject to earthquakes, bolt the rack to the floor. For maximum stability, also secure the
rack to ceiling brackets.
l Supported Rack Requirements
l Site Preparation Checklist
Clearance Requirements
When you plan the installation site, you need to allow sufficient clearance around the rack
for installation and maintenance. It is also important to have sufficient airflow clearance
during system operation. Without it, the ambient air temperature might fail to cool the HD
equipment to admissible operating temperatures. Excessive operating temperatures can
cause malfunctions and emergency shutdowns of the system.
As you plan your installation site, adhere to these guidelines to ensure proper airflow
around the HD equipment.
CAUTION
Failure to follow these guidelines can cause overheating and a fire
hazard, as well as affect the reliability and warranty of your equipment.
l Ensure that the installation site air conditioning system cools the intake air to the HD
system and it is as dust free as possible.
l Verify that the intake air enters and exits the shelf at the proper location, and that the
airflow around the shelf is unrestricted.
l Depending on your configuration, side air covers ship either installed on the SH12 or
included in the shipment. To determine if side covers are needed with your
configuration, see Accessory Installation Requirements.
l When you install shelves in an enclosed cabinet, make sure that there is adequate
ventilation, such as air flow holes. See Supported Rack Requirements for important
supported installation features and requirements.
l Avoid mounting the shelf in an overly congested rack or directly next to another
equipment rack. Heat exhaust from other equipment can enter the inlet air vents and
cause an overtemperature condition.
l If you have more than one HD shelf in your rack, install the shelves without gaps
between them. If you must have gaps, close the gaps with a rack blind panel or a fiber
tray.
l Take care to prevent recirculation of exhaust air within a rack.
l Keep fiber-optic jumpers organized to minimize interference with the perforated part of
the fiber tray.
197 FSP 3000R7 High-Density Subshelf Guide - R17.2 - Issue:B
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